1990 5.0l MerCruiser (Larson AM210) issues solved....
 

well; here's what I did;

Replaced spark plugs
replaced cap/rotor
replaced spark plug wires
replaced carb needle valve & gasket & adjusted float
Adjusted timing
and finally adjusted mixture

Idles great starts fine; and doesn't die when going from throttle to idle.

Only problem I have now is sometimes (and I stress, sometimes) it hesitates when
going from idle to throttle --- suspecting powerjet or accelerator pump may need
to be replaced...


Thanks to all who helped.

-josh


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